Suppose you take a multiple choice quiz with 7 questions and each question has 5 answers (A, B,C, D, or E). If you guess randomly on each question, what is the probability that you answer all 7 correctly (Do not round your answer at all)

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score